BIND 10 #714: cfgmgr crash on auth configuration failure

[BIND 10 Development]

#714: cfgmgr crash on auth configuration failure
-------------------------------------+-------------------------------------
                   Reporter:  jreed  |                 Owner:  jelte
                       Type:         |                Status:  assigned
  defect                             |             Milestone:
                   Priority:  major  |  Sprint-20110712
                  Component:         |            Resolution:
  configuration                      |             Sensitive:  0
                   Keywords:         |           Sub-Project:  DNS
            Defect Severity:  N/A    |  Estimated Difficulty:  0.0
Feature Depending on Ticket:         |           Total Hours:  0
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by jelte):

 Turns out i can in fact reproduce this. The fix does solve the crash
 issue, and I also found the problem: there's a newline (\n) in the
 message, which is not allowed in 'strict' json. Apart from the crash
 issue, i'll also make the JSON decoder accept non-strict data in this
 branch.

 We should also get rid of the newline itself, which I think is added by
 RRset::toText() (or whatever it was). I think it shouldn't do that in the
 first place, but I'm not entirely sure which code depends on that \n being
 added, so we may want to put that in a separate ticket.

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Ticket URL: <http://bind10.isc.org/ticket/714#comment:10>
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